CN108315038A - A kind of discarded bamboo scraps environmental protection recycling method of bamboo - Google Patents
A kind of discarded bamboo scraps environmental protection recycling method of bamboo Download PDFInfo
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- CN108315038A CN108315038A CN201810138978.2A CN201810138978A CN108315038A CN 108315038 A CN108315038 A CN 108315038A CN 201810138978 A CN201810138978 A CN 201810138978A CN 108315038 A CN108315038 A CN 108315038A
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- wood vinegar
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10C—WORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID
- C10C5/00—Production of pyroligneous acid distillation of wood, dry distillation of organic waste
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of bamboos to discard bamboo scraps environmental protection recycling method, includes the following steps：(1) bamboo scraps pre-process：After being cleaned bamboo scraps with lye, the dry micro mist that carries out is broken into particle；(2) it is pyrolyzed：Bamboo scraps particle is placed in charcoal kiln and heats destructive distillation, and collects distillate at a temperature of 80~150 DEG C, 300~400 DEG C, 800~900 DEG C and obtains A crude pyroligneous acids, B crude pyroligneous acids, C crude pyroligneous acids；(3) it refines：By the distillation condensate liquid purification of A crude pyroligneous acids；B crude pyroligneous acids progress supercritical carbon dioxide extracting is refined；C crude pyroligneous acids are cleaned with activated carbon adsorption；(4) it is aged：Refined A wood vinegar, refined B wood vinegar, refined C wood vinegar are aged 4~6 months.Bamboo scraps processing method of the present invention obtains wood vinegar, and different preparation processes obtains component difference, and component content is different.A variety of wood vinegar are prepared in the present invention, can be applied to a variety of different fields, have a wide range of application, and bamboo scraps resource reutilization rate is high.
Description
Technical field
The present invention relates to Waste Disposal Technology fields, and in particular to a kind of discarded bamboo scraps environmental protection recycling method of bamboo.
Background technology
Bamboo is widely used, is often the replacement and supplementary material of timber, for building, papermaking, furniture and craftwork manufacture etc.,
Some bamboo shoots or meal material can be eaten raw or process.But in these industries, utilize it is mostly be bamboo bar or bamboo shoot meat part, bamboo
The utilization rate of material generates a large amount of low value waste wood, under bamboo processing 35~40% or so in actual production process
Heel and clast etc. are arbitrarily lost as waste sets, and rots to go mouldy or directly buries and burn, even with Land use systems
More primary, with low content of technology, this not only causes environmental pollution, also causes greatly to waste to bamboo resource.
Invention content
The present invention solves the problem of that discarded bamboo scraps utility value is low in the prior art and also easily causes environmental pollution, provides one
Kind bamboo discards bamboo scraps environmental protection recycling method.
To solve the above problems, the present invention adopts the following technical scheme that：
A kind of discarded bamboo scraps environmental protection recycling method of bamboo, includes the following steps：
(1) bamboo scraps pre-process：After being cleaned bamboo scraps with lye, drying to percent water carries out micro- after being 15~20%
It is ground into particle；
(2) it is pyrolyzed：Bamboo scraps particle is placed in charcoal kiln and heats destructive distillation, is heated up and is pyrolyzed with the heating rate of 20~50 DEG C/h,
And collection distillate obtains A crude pyroligneous acids after being pyrolyzed 1~2h at a temperature of 80~150 DEG C；It is further heated up to 300~400
1~2h collection distillates are kept the temperature after DEG C obtains B crude pyroligneous acids；It is further heated up to 800~900 DEG C of 1~2h of heat preservation, collect distillation
Liquid obtains C crude pyroligneous acids；
(3) it refines：
A crude pyroligneous acids are placed in distillation still the distillation in the case where pressure is 20Mpa, temperature is 150 DEG C and collect condensate liquid to obtain the final product
The refined A wood vinegar；
B crude pyroligneous acids are placed in supercritical carbon dioxide extracting kettle, the mixed liquor with ether, toluene, ethyl acetate is
Entrainer carries out that the refined B wood vinegar is obtained by extraction；The extraction temperature of the supercritical carbon dioxide is 30~35 DEG C, extracts
Pressure is 60~63Mpa, and the flow velocity of carbon dioxide is 4Kg/h；
It is added after activated carbon progress adsorption-edulcoration up to the refined C wood vinegar to C crude pyroligneous acids；The activated carbon adds
Dosage is 10~15g/L, and processing time is 30~50min, and treatment temperature is 40~50 DEG C；
(4) it is aged：Refined A wood vinegar, refined B wood vinegar, refined C wood vinegar are aged 4~6 months.
Wherein, the potassium hydroxide solution that the lye is lime aqueous solution or mass percentage is 1~5%.
Wherein, in step (3) process for refining, the ether, toluene, ethyl acetate mass ratio be 1:24~30:2
~7.
Wherein, in step (4) ageing process, refined A wood vinegar ageing is aged under the irradiation of near infrared ray；Institute
The near infrared ray stated is emitted by near infrared irradiation instrument, 0.75~1.3 μm of the wavelength of the near infrared ray.
Another object of the present invention is to provide a kind of soil conditioners, discard bamboo scraps environmental protection containing above-mentioned bamboo and return
Refined C wood vinegar is prepared in receiving method, and the mass percentage of the refined C wood vinegar is 10~20%.
Another object of the present invention is to provide a kind of feed addictives, discard bamboo scraps environmental protection containing above-mentioned bamboo and return
Refined B wood vinegar is prepared in receiving method.
Another object of the present invention is to provide a kind of fungicide, and bamboo scraps environmental protection recycling side is discarded containing above-mentioned bamboo
Refined A wood vinegar is prepared in method.
The present invention has the advantages that compared with prior art：
(1) present invention cleans bamboo scraps using lye, and lye infiltrates into bamboo scraps fiber, can in pyrolytic process
Change the position being broken in biomass pyrolysis process, and then form different pyrolyzed components, while improving to fiber monomer and sugar
The scission of link of molecule produces alcohol, aldehyde, the aldehydes matter of small molecule.
(2) present invention collects the wood vinegar under different pyrolysis temperatures, wood vinegar component that different pyrolysis temperatures generates and
Its content is different, and A crude pyroligneous acids mainly contain alcohols and organic acid, and small part is phenols, ketone, aldehydes, esters, and B is slightly wooden
Vinegar liquid mainly contains phenols, other esters, ketone, aldehyde content are relatively fewer, and organic acid, alcohol are mainly contained in C crude pyroligneous acids
Class, ketone and phenols.
(3) in process for refining of the invention, A crude pyroligneous acids distillation condensation can remove tar removing, further function as refining effect,
B crude pyroligneous acids pass through the supercritical carbon dioxide extracting under specified conditions, obtain phenol, guaiacol, 2 in refined B wood vinegar,
6- xylenols, catechol and phenol percentage composition improve, and advanced organic acid and advanced alcohol content are reduced.Refined C wood
In vinegar liquid using activated carbon carry out adsorption-edulcoration, in wood vinegar coloring matter and objectionable impurities carry out absorption abjection, make wood
Vinegar liquid color is thin out, tar content is reduced.The dosage of activated carbon, adsorption time, adsorption temp to the component in wood vinegar have compared with
Big influence, the treatment conditions of activated carbon influence the parsing of active constituent, the refined effect of the active carbon treatment process that the present invention uses
Fruit is good, and the loss of active constituent is few in wood vinegar.
(4) it recycles after wood vinegar of the invention ageing, in ageing process, occurs between each other at branch in wood vinegar
Reaction, or it is converted in other substance wood vinegar that great changes will take place at branch.Wood vinegar utilizing status after ageing is more preferably.
(5) present invention is aged refined A wood vinegar irradiation using near infrared ray, under the irradiation ageing of near infrared ray, essence
The n-butyric acie of A wood vinegar processed, phenol furfural, butyrolactone, 2- methylphenols, especially aldehydes matter, ester type compound content subtract
Few, acetic acid, propionic acid, flavonoid content improve.Refined A wood vinegar using near infrared ray irradiation ageing is applied to feed addictive
Effect is good.
(6) bamboo scraps processing method of the present invention obtains wood vinegar, and different preparation processes obtains component difference, and component content is not
Together.A variety of wood vinegar are prepared in the present invention, can be applied to a variety of different fields, have a wide range of application, bamboo scraps resource reutilization
Rate is high.
Specific implementation mode
With reference to embodiment and experiment, the invention will be further described.
Embodiment 1
A kind of discarded bamboo scraps environmental protection recycling method of bamboo, includes the following steps：
(1) bamboo scraps pre-process：After being cleaned bamboo scraps with lye, drying to percent water carries out Crushing of Ultrafine after being 20%
At particle；The lye is lime aqueous solution；
(2) it is pyrolyzed：Bamboo scraps particle is placed in charcoal kiln and heats destructive distillation, is heated up and is pyrolyzed with the heating rate of 50 DEG C/h, and in
Collection distillate obtains A crude pyroligneous acids after being pyrolyzed 2h at a temperature of 80 DEG C；It is further heated up to keep the temperature 2h after 300 DEG C to collect distillation
Liquid obtains B crude pyroligneous acids；It is further heated up to 800 DEG C of heat preservation 2h, collect distillate and obtain C crude pyroligneous acids；
(3) it refines：
A crude pyroligneous acids are placed in distillation still the distillation in the case where pressure is 20Mpa, temperature is 150 DEG C and collect condensate liquid to obtain the final product
The refined A wood vinegar；
B crude pyroligneous acids are placed in supercritical carbon dioxide extracting kettle, with mass ratio for 1:24:7 ether, toluene,
The mixed liquor of ethyl acetate is that entrainer carries out that the refined B wood vinegar is obtained by extraction；The extraction of the supercritical carbon dioxide
Temperature is 30 DEG C, extracting pressure 63Mpa, and the flow velocity of carbon dioxide is 4Kg/h；
It is added after activated carbon progress adsorption-edulcoration up to the refined C wood vinegar to C crude pyroligneous acids；The activated carbon adds
Dosage is 10g/L, and processing time 50min, treatment temperature is 40 DEG C；
(4) it is aged：Refined A wood vinegar, refined B wood vinegar, refined C wood vinegar are aged 6 months, wherein described is refined
The ageing of A wood vinegar is aged under the irradiation of near infrared ray；The near infrared ray is emitted by near infrared irradiation instrument, the near-infrared
0.75 μm of the wavelength of line.
Embodiment 2
A kind of discarded bamboo scraps environmental protection recycling method of bamboo, includes the following steps：
(1) bamboo scraps pre-process：After being cleaned bamboo scraps with lye, drying to percent water carries out Crushing of Ultrafine after being 15%
At particle；The lye is the potassium hydroxide solution that mass percentage is 5%；
(2) it is pyrolyzed：Bamboo scraps particle is placed in charcoal kiln and heats destructive distillation, is heated up and is pyrolyzed with the heating rate of 20 DEG C/h, and in
Collection distillate obtains A crude pyroligneous acids after being pyrolyzed 1h at a temperature of 150 DEG C；It is further heated up to keep the temperature 1h after 400 DEG C and collect to steam
Distillate obtains B crude pyroligneous acids；It is further heated up to 900 DEG C of heat preservation 1h, collect distillate and obtain C crude pyroligneous acids；
(3) it refines：
A crude pyroligneous acids are placed in distillation still the distillation in the case where pressure is 20Mpa, temperature is 150 DEG C and collect condensate liquid to obtain the final product
The refined A wood vinegar；
B crude pyroligneous acids are placed in supercritical carbon dioxide extracting kettle, with mass ratio for 1:30:2 ether, toluene,
The mixed liquor of ethyl acetate is that entrainer carries out that the refined B wood vinegar is obtained by extraction；The extraction of the supercritical carbon dioxide
Temperature is 35 DEG C, extracting pressure 60Mpa, and the flow velocity of carbon dioxide is 4Kg/h；
It is added after activated carbon progress adsorption-edulcoration up to the refined C wood vinegar to C crude pyroligneous acids；The activated carbon adds
Dosage is 15g/L, and processing time 30min, treatment temperature is 50 DEG C；
(4) it is aged：Refined A wood vinegar, refined B wood vinegar, refined C wood vinegar are aged 4 months, wherein described is refined
The ageing of A wood vinegar is aged under the irradiation of near infrared ray；The near infrared ray is emitted by near infrared irradiation instrument, the near-infrared
1.3 μm of the wavelength of line.
Embodiment 3
A kind of discarded bamboo scraps environmental protection recycling method of bamboo, includes the following steps：
(1) bamboo scraps pre-process：After being cleaned bamboo scraps with lye, drying to percent water carries out Crushing of Ultrafine after being 18%
At particle；The lye is lime aqueous solution；
(2) it is pyrolyzed：Bamboo scraps particle is placed in charcoal kiln and heats destructive distillation, is heated up and is pyrolyzed with the heating rate of 30 DEG C/h, and in
Collection distillate obtains A crude pyroligneous acids after being pyrolyzed 2h at a temperature of 100 DEG C；It is further heated up to keep the temperature 2h after 350 DEG C and collect to steam
Distillate obtains B crude pyroligneous acids；It is further heated up to 850 DEG C of heat preservation 2h, collect distillate and obtain C crude pyroligneous acids；
(3) it refines：
A crude pyroligneous acids are placed in distillation still the distillation in the case where pressure is 20Mpa, temperature is 150 DEG C and collect condensate liquid to obtain the final product
The refined A wood vinegar；
B crude pyroligneous acids are placed in supercritical carbon dioxide extracting kettle, with mass ratio for 1:28:5 ether, toluene,
The mixed liquor of ethyl acetate is that entrainer carries out that the refined B wood vinegar is obtained by extraction；The extraction of the supercritical carbon dioxide
Temperature is 32 DEG C, extracting pressure 62Mpa, and the flow velocity of carbon dioxide is 4Kg/h；
It is added after activated carbon progress adsorption-edulcoration up to the refined C wood vinegar to C crude pyroligneous acids；The activated carbon adds
Dosage is 12g/L, and processing time 40min, treatment temperature is 45 DEG C；
Ageing：Refined A wood vinegar, refined B wood vinegar, refined C wood vinegar are aged 5 months, wherein the refined A wood
Vinegar liquid ageing is aged under the irradiation of near infrared ray；The near infrared ray is emitted by near infrared irradiation instrument, the near infrared ray
1.0 μm of wavelength.
In order to illustrate the technique effect of the present invention, following control group is set：
Control group 1
Control group 1 and a kind of discarded bamboo scraps environmental protection recycling method of bamboo of embodiment 1 are essentially identical, and difference lies in controls
Bamboo scraps are cleaned using pure water in the step of organizing 1 (1) pretreating process.
Control group 2
Control group 2 and a kind of discarded bamboo scraps environmental protection recycling method of bamboo of embodiment 1 are essentially identical, and difference lies in controls
The refined A wood vinegar of group 2, refined B wood vinegar, refined C wood vinegar are without ripening.
Control group 3
Control group 3 and a kind of discarded bamboo scraps environmental protection recycling method of bamboo of embodiment 1 are essentially identical, difference lies in；Control
In 3 ageing process of group, refined A wood vinegar does not use near infrared ray to irradiate.
1, composition detection, as a result such as the following table 1.
The relative amount (%) of each substance in 1. wood vinegar of table
By 1~embodiment of embodiment 3 of table 1 from the ingredient in the wood vinegar of 1~control group of control group 3 it is found that different heat
There is very big difference in the wood vinegar ingredient that solution temperature obtains, refined A wood vinegar mainly contains alcohols and organic acid, and small part is phenol
Class, ketone, aldehydes, esters, refined B wood vinegar mainly contain phenols, other esters, ketone, aldehyde content are relatively fewer, refine
Organic acid, alcohols, ketone and phenols are mainly contained in C wood vinegar.By embodiment 1 it is found that using lye compared with control group 1
It is higher to manage alcohol, aldehyde, aldehydes matter.
By embodiment 1 it is found that in ageing process compared with control group 2, occurring between each other at branch in wood vinegar is anti-
It answers, or is converted in other substance wood vinegar that great changes will take place at branch.By embodiment 1 it is found that essence compared with control group 3
A wood vinegar processed is aged under the irradiation of near infrared ray, and great changes will take place for the ingredient of refined A wood vinegar, aldehydes matter, esters
It closes object content to reduce, flavonoid content improves.
Application examples 1
Refined A wood vinegar is prepared in embodiment 1 and is made fungicide, the fungicide by mass percentage ethyl alcohol
20%, it refines A wood vinegar 80% and forms.Fungicide is sprayed on farm, 96.3% bacterium can be killed, to Escherichia coli,
Staphylococcus aureus, aerobacteria, Bacterium prodigiosum, proteus, bacillus megaterium, hay bacillus, salmonella, green pus bar
The bacteriums such as bacterium have stronger sterilization sterilization functions.
Application examples 2
Feed addictive is made in the refined B wood vinegar that embodiment 1 is prepared, the feed containing refined B wood vinegar by
The following raw material of mass parts forms：90 parts of cereal, 0.1 part of multi-vitamins, 0.1 part of compound amino acid, 20 parts of vegetables, refined B
0.1 part of wood vinegar.The feed long shelf-life, fragrance is high, in good taste, and feed intake rate is high, which can improve enteron aisle balance, have
Effect promotes the growth of animal.
Application examples 3
Soil conditioner is made in the refined C wood vinegar that embodiment 1 is prepared, the soil conditioner is by mass parts
80~100 parts of organic fertilizer, 1 part of composition of refined C wood vinegar.Soil conditioner will be changed and be applied to hardened soil, soil hardening obtains
To improvement, the pH value for soil of effectively degrading can effectively kill the pathogenic microorganism in soil.
Above description is the detailed description for the present invention preferably possible embodiments, but embodiment is not limited to this hair
Bright patent claim, it is all the present invention suggested by technical spirit under completed same changes or modifications change, should all belong to
In the covered the scope of the claims of the present invention.
Claims (7)
1. a kind of bamboo discards bamboo scraps environmental protection recycling method, which is characterized in that include the following steps：
(1) bamboo scraps pre-process：After being cleaned bamboo scraps with lye, drying to percent water carries out Crushing of Ultrafine after being 15~20%
At particle；
(2) it is pyrolyzed：Bamboo scraps particle is placed in charcoal kiln and heats destructive distillation, is heated up and is pyrolyzed with the heating rate of 20~50 DEG C/h, and in
Collection distillate obtains A crude pyroligneous acids after being pyrolyzed 1~2h at a temperature of 80~150 DEG C；After 300~400 DEG C
1~2h of heat preservation collects distillate and obtains B crude pyroligneous acids；It is further heated up to 800~900 DEG C of 1~2h of heat preservation, collect distillate and obtain
To C crude pyroligneous acids；
(3) it refines：
A crude pyroligneous acids are placed in distillation still the distillation in the case where pressure is 20Mpa, temperature is 150 DEG C and collect condensate liquid up to described
Refined A wood vinegar；
B crude pyroligneous acids are placed in supercritical carbon dioxide extracting kettle, are entrainment with the mixed liquor of ether, toluene, ethyl acetate
Agent carries out that the refined B wood vinegar is obtained by extraction；The extraction temperature of the supercritical carbon dioxide is 30~35 DEG C, extracting pressure
Flow velocity for 60~63Mpa, carbon dioxide is 4Kg/h；
It is added after activated carbon progress adsorption-edulcoration up to the refined C wood vinegar to C crude pyroligneous acids；The additive amount of the activated carbon
For 10~15g/L, processing time is 30~50min, and treatment temperature is 40~50 DEG C；
(4) it is aged：Refined A wood vinegar, refined B wood vinegar, refined C wood vinegar are aged 4~6 months.
2. a kind of bamboo according to claim 1 discards bamboo scraps environmental protection recycling methods, which is characterized in that the lye is
The potassium hydroxide solution that lime aqueous solution or mass percentage are 1~5%.
3. a kind of bamboo according to claim 2 discards bamboo scraps environmental protection recycling method, which is characterized in that step (3) is refined
In technique, the ether, toluene, ethyl acetate mass ratio be 1:24~30:2~7.
4. a kind of bamboo according to claim 1 discards bamboo scraps environmental protection recycling method, which is characterized in that step (4) is aged
In technique, refined A wood vinegar ageing is aged under the irradiation of near infrared ray；The near infrared ray is by near infrared irradiation
Instrument emits, 0.75~1.3 μm of the wavelength of the near infrared ray.
5. a kind of soil conditioner, which is characterized in that it contains any bamboos of claim 1-2 and discards bamboo scraps environmental protection time
Refined C wood vinegar is prepared in receiving method, and the mass percentage of the refined C wood vinegar is 10~20%.
6. a kind of feed addictive, which is characterized in that it contains any bamboos of claim 1-3 and discards bamboo scraps environmental protection time
Refined B wood vinegar is prepared in receiving method.
7. a kind of fungicide, which is characterized in that it contains any bamboos of claim 1-2 and discards bamboo scraps environmental protection recycling side
Refined A wood vinegar is prepared in method.
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| CN201810138978.2A CN108315038A (en) | 2018-02-11 | 2018-02-11 | A kind of discarded bamboo scraps environmental protection recycling method of bamboo |
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| CN201810138978.2A CN108315038A (en) | 2018-02-11 | 2018-02-11 | A kind of discarded bamboo scraps environmental protection recycling method of bamboo |
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